Dennis Tito

(AP Photo)

Astronauts face radiation threat on long Mars trip

LOS ANGELES (AP) — Astronauts traveling to and from Mars would be bombarded with as much cosmic radiation as they’d get from a full-body CT scan about once a week for a year, researchers reported […]

05/30/2013

(AP Photo)

Tycoon wants to send married couple on Mars flyby

WASHINGTON (AP) — It’s a road trip that could test the best of marriages: Mars. A tycoon announced plans Wednesday to send a middle-aged couple on a privately built spaceship to slingshot around the red planet and come back home.

02/27/2013

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